CN108921252B - Identification system and method for solar module identification code - Google Patents
Identification system and method for solar module identification code Download PDFInfo
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- CN108921252B CN108921252B CN201810771882.XA CN201810771882A CN108921252B CN 108921252 B CN108921252 B CN 108921252B CN 201810771882 A CN201810771882 A CN 201810771882A CN 108921252 B CN108921252 B CN 108921252B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
Abstract
The invention discloses a system and a method for identifying an identification code of a solar assembly, which comprises an identification code identification module and a plurality of junction boxes, wherein the junction boxes correspond to the solar assembly one by one, and the plurality of junction boxes are connected with the identification code identification module in series through identification lines; the identification code recognition module is configured to assign code numbers to the solar assemblies in one-to-one correspondence with the junction boxes through the recognition lines, and the identification code of each solar assembly is read through the recognition lines. According to the embodiment of the invention, the plurality of solar assemblies are connected in series through the identification lines, the identification trigger signals and the identification commands are combined, the junction box is triggered to upload the identification codes, and the identification codes of the solar assemblies are sequentially acquired, so that the identification codes, the code numbers and the physical positions of the solar assemblies are automatically acquired and automatically associated.
Description
Technical Field
The invention relates to the technical field of photovoltaic modules, in particular to a system and a method for identifying a solar module identification code.
Background
In a solar system, before an upper computer controls a solar module, identification information of each solar module needs to be known.
At present, the commonly adopted method is as follows: before the solar cell module is installed, the solar module or the identification information of the junction box corresponding to the solar module is manually identified one by one; after the solar cell module is installed, identification information recognized manually is input into the upper computer, so that the upper computer can control the solar cell module and the corresponding junction box.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
the identification code is manually identified, so that the requirements on the skill and the quality of field constructors are high, the workload is large, errors are easy to make, and the errors are difficult to detect and correct.
Disclosure of Invention
In view of the above, the present invention is to provide a system and a method for identifying an identifier of a solar module, so as to solve the technical problem of high error rate caused by non-automatic acquisition of identifier information and physical location information.
According to a first aspect of the invention, the identification system for the identification code of the solar component comprises an identification code identification module and a plurality of junction boxes, wherein the junction boxes correspond to the solar components one by one, and the plurality of junction boxes are connected with the identification code identification module in series through identification lines;
the identification code recognition module is configured to assign code numbers to the solar assemblies in one-to-one correspondence with the junction boxes through the recognition lines, and the identification code of each solar assembly is read through the recognition lines.
In some embodiments of the invention, the identification code recognition module is configured to send a coded trigger signal to the junction boxes through the identification line and to broadcast a coded command to each junction box, the coded command carrying a coded number;
the junction box is configured to code the solar assembly corresponding to the junction box by using the code number if the coded trigger signal and the code command are received, and send the coded trigger signal to the next junction box connected in series through the identification line.
In some embodiments of the invention, the identification code recognition module is configured to send a recognition trigger signal to the junction boxes through the identification line and to broadcast a recognition command to each junction box, the recognition command carrying an encoded number; receiving an identification code uploaded by a junction box;
and the junction box is configured to upload the identification code of the solar assembly corresponding to the junction box and send the identification trigger signal to the next junction box in series through the identification line if the identification trigger signal and the identification command are received.
In some embodiments of the invention, the plurality of junction boxes and the identification code recognition module form a series circuit;
the identification code recognition module is further configured to modify the code number after receiving the identification code, and broadcast a new recognition command to each junction box, wherein the new recognition command carries the modified code number until receiving a recognition trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar assemblies subjected to identification by the identification code reaches a preset number threshold.
In some embodiments of the present invention, the junction box is further configured to send encoding completion information to the identification code recognition module after encoding is completed;
the identification code recognition module is further configured to modify the code number and broadcast a new code command to each junction box after receiving the coding completion information, wherein the new code command carries the modified code number until receiving a code trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar modules completing coding reaches a preset number threshold.
In some embodiments of the present invention, the identification command and/or the encoding command is broadcast to each junction box using a power line carrier communication method, a wired communication method, or a wireless communication method.
In some embodiments of the invention, the plurality of junction boxes are divided into a plurality of junction box groups connected in parallel by the power line, the system further comprises a first junction box and a second junction box, the plurality of junction box groups are connected in parallel between the first junction box and the second junction box;
the identification code identification module is connected with the first junction box or the second junction box through an identification output line and an identification input line; or the identification code identification module is connected with the first junction box through an identification output line and is connected with the second junction box through an identification input line; or the identification code identification module is connected with the second junction box through an identification output line and connected with the first junction box through an identification input line.
In some embodiments of the present invention, the identification code recognition module is configured to determine a physical location of any one solar module through an installation circuit diagram of the solar module, and determine a physical location of each solar module according to the determined physical location of the solar module and a code number corresponding to a plurality of junction boxes connected in series; and storing the mapping relation among the code number, the identification code and the physical position of each solar component.
According to a second aspect of the present invention, there is provided a method for identifying an identification code of a solar module, wherein a plurality of junction boxes corresponding to the solar modules one by one are preset, the plurality of junction boxes are connected in series with an identification code identification module through identification lines, and the method comprises:
the identification code identification module sends a coding trigger signal to the junction boxes through the identification line and broadcasts a coding command to each junction box, wherein the coding command carries a coding number; the junction box receives the coding trigger signal and the coding command, and codes the solar assembly by using the coding number;
the identification code identification module sends an identification trigger signal to the junction boxes through the identification lines and broadcasts an identification command to each junction box, wherein the identification command carries a coding number; and the junction box which receives the identification trigger signal and the identification command uploads an identification code corresponding to the junction box to an identification code identification module.
In some embodiments of the present invention, the plurality of junction boxes and the identification code recognition module form a series circuit, further comprising:
after the terminal box uploads the identification code, the identification trigger signal is sent to the next terminal box connected in series through the identification line;
after the identification code recognition module receives the identification code, the identification code recognition module modifies the code number and broadcasts a new recognition command to each junction box, wherein the new recognition command carries the modified code number until a recognition trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies which are confirmed to finish identification code recognition reaches a preset number threshold.
In some embodiments of the invention, further comprising:
after the terminal box finishes encoding, encoding finishing information is sent to the identification code identification module;
and after the identification code recognition module receives the coding completion information, modifying the coding number, and broadcasting a new coding command to each junction box, wherein the new coding command carries the modified coding number until a coding trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies after coding is determined to reach a preset number threshold.
In some embodiments of the invention, the identification code recognition module determines the physical position of any one solar module through an installation circuit diagram of the solar module, and determines the physical position of each solar module according to the determined physical position of the solar module and the code number corresponding to the plurality of serially connected junction boxes; and storing the mapping relation among the code number, the identification code and the physical position of each solar component.
According to the embodiment of the invention, the plurality of solar assemblies are connected in series through the identification lines, the identification trigger signals and the identification commands are combined, the junction box is triggered to upload the identification codes, and the identification codes of the solar assemblies are sequentially acquired, so that the identification codes, the code numbers and the physical positions of the solar assemblies are automatically acquired and automatically associated. Therefore, the embodiment of the invention can solve the problem of high error rate caused by non-automatic acquisition of identification information and physical position information, and can also realize automatic identification and physical position positioning of the module modules in application systems such as BIPV (solar power generation tile, solar power generation wall surface) and solar pavement module or other solar modules.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a solar module identification code recognition system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a solar module identification code recognition system according to another embodiment of the present invention
FIG. 3 is a schematic structural diagram of a solar module identification code recognition system according to another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a solar module identification code recognition system according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of a solar module identification code recognition system according to yet another embodiment of the present invention;
FIG. 6 is a schematic diagram of a solar module identification code recognition system according to yet another embodiment of the present invention;
FIG. 7 is a schematic diagram of a solar module identification code recognition system according to yet another embodiment of the present invention;
FIG. 8 is a flow chart of a method for identifying a solar module identification code according to one embodiment of the present invention;
fig. 9 is a flowchart of a method for identifying a solar module identification code according to another embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. It should be noted that the structure of the identification system of the solar module identification code shown in fig. 1-5 is merely exemplary and not limiting.
At least one embodiment of the invention provides a recognition system of a solar assembly identification code, which comprises an identification code recognition module and a plurality of junction boxes, wherein the junction boxes correspond to the solar assemblies one by one, and the plurality of junction boxes are connected with the identification code recognition module in series through recognition lines; the identification code recognition module is configured to assign code numbers to the solar assemblies in one-to-one correspondence with the junction boxes through the recognition lines, and the identification code of each solar assembly is read through the recognition lines. As another embodiment of the present invention, a schematic structural diagram of the identification system of the solar module identification code is shown in fig. 1, and includes an identification code identification module 1 and a plurality of junction boxes 2 corresponding to the solar modules and used for connecting between the solar modules, the plurality of junction boxes 2 are connected in series in sequence through identification lines 4, and the plurality of junction boxes 2 connected in series are connected in series with the identification code identification module 1. In this embodiment, the identification code recognition module 1 is configured to: sending a coding trigger signal to the junction boxes through the identification lines, and broadcasting a coding command to each junction box, wherein the coding command carries a coding number; the junction box 2 is configured to: if receiving the code triggering signal and the code command sent by the identification code recognition module 1, the solar module is coded by using the code number carried in the code command, and the code triggering signal is sent to the junction box 2 of the next solar module connected in series through the identification line. And, the identification code recognition module 1 is further configured to: sending an identification trigger signal to the junction boxes through the identification lines, and broadcasting identification commands to the junction boxes, wherein the identification commands carry code numbers; the junction box 2 is further configured to: if the identification trigger signal and the identification command sent by the identification code identification module 1 are received and the code number carried by the identification command is the same as the code number corresponding to the identification command, the identification code corresponding to the junction box 2 is uploaded, and the identification trigger signal is sent to the junction box 2 of the next solar module connected in series through the identification line. Further, the identification code recognition module 1 is further configured to: the identification code uploaded by the junction box 2 is received, and the identification code is associated and stored with the code number and the physical position of the solar component.
In the embodiment of the present invention, the coded trigger signal is actually a coded control signal, and as a control condition for whether to perform a coding operation, the terminal box 2 sends the coded trigger signal to the next solar module receiving box 2 through the identification line 4 after the coding is performed. Specifically, if the first junction box 2 receives the code trigger signal and the code command sent by the identification code recognition module 1, the solar module is coded by using the code number carried in the code command, then the first junction box 2 sends a coding trigger signal to the second solar assembly receiving box 2, if the second junction box 2 receives the coding trigger signal and the coding command sent by the identification code recognition module 1, the solar assembly is coded by using the coding number carried in the coding command, and then the second junction box 2 sends a coding trigger signal to the third solar assembly receiving box 2, and so on until the last solar junction box 2 sends a coding trigger signal to the identification code recognition module 1 or the number of finished codes reaches a preset number threshold, and then the coding of all the solar assemblies is finished.
The coding of the solar module means that the solar modules which are related to each other are coded by symbols which can be identified by a computer according to a certain rule so as to facilitate the communication between the solar modules and an upper computer, the coding number can be but is not limited to 01, 02 and 03 … …, and as long as the coding number can be identified by the computer, a digital number is generally adopted for the convenience of use.
In another embodiment of the present invention, the junction box 2 is further configured to: after the coding is finished, sending coding finishing information to a coding control module; the identification code recognition module 1 is configured to: and after the coding completion information is received, modifying the coding number, and broadcasting a new coding command to each junction box, wherein the new coding command carries the modified coding number until a coding trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies after coding is determined to reach a preset number threshold. In the embodiment, after the solar module completes coding, coding completion information is actively sent to the identification code recognition module, so that the identification code recognition module confirms whether the code number is the same as the code number carried in the coding test command, if the code number is the same as the code number, the code number is associated with the physical position of the solar module, and then the coding command is broadcasted to each junction box again until a coding trigger signal is received or the number of completed codes reaches a preset number threshold.
In the embodiment of the present invention, the identification trigger signal is also actually an identification code uploading control signal, which is used as a control condition for whether to upload the identification code, and after uploading the identification code, the junction box 2 sends the identification trigger signal to the next solar module receiving box 2 through the identification line 4. The identification code recognition module is further configured to modify the code number after receiving the identification code, and broadcast a new recognition command to each junction box, wherein the new recognition command carries the modified code number until receiving a recognition trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar assemblies subjected to identification by the identification code reaches a preset number threshold. Specifically, if the first junction box 2 receives the identification trigger signal and the identification command sent by the identification code identification module 1, the identification code corresponding to the first junction box 2 is uploaded, then the first junction box 2 sends an identification trigger signal to the second solar assembly receiving box 2, if the second junction box 2 receives the identification trigger signal and the identification command sent by the identification code identification module 1, the identification code corresponding to the second junction box 2 is uploaded, and then the second junction box 2 sends a recognition trigger signal to the third solar assembly receiving box 2, and the like is performed until the last solar junction box 2 sends a recognition trigger signal to the identification code recognition module 1 or the number of uploaded identification codes reaches a preset number threshold, and then the association of the identification codes of all the solar assemblies with the code numbers and the physical positions is completed.
The identification system of the solar assembly identification code provided by the embodiment of the invention can connect a plurality of solar assemblies in series through the identification line, trigger the junction box to upload the identification code by combining the identification trigger signal and the identification command, and sequentially acquire the identification code of each solar assembly, thereby automatically acquiring the identification code, the code number and the physical position of the solar assembly and automatically associating the identification code, the code number and the physical position of the solar assembly. Therefore, the identification system of the solar module identification code provided by the embodiment of the invention can solve the problem of high error rate caused by non-automatic acquisition of identification information and physical position information, and can also realize automatic identification and physical position positioning of module modules in application systems such as BIPV (solar power tile, solar power wall surface) and solar pavement module or other solar modules.
It should be noted that, in the embodiment of the present invention, the junction box refers to a device corresponding to the solar modules and used for connecting the solar modules, and the inside of the junction box may have a unique factory identification code. The identification code of the solar module is an identification code of a certain solar module different from other solar modules, and can be located on the module or on the module junction box, or can be a unique identification code of products such as an intelligent junction box or a power optimizer matched with the module for use, namely, identification codes capable of indicating that the solar module(s) are different from other solar modules, which are all referred to as identification codes of the solar modules herein. The solar assembly comprises a solar assembly with an intelligent junction box and a solar assembly with an external intelligent junction box, so that the junction box in the embodiment of the invention can be a junction box in the solar assembly with the intelligent junction box and can also be a junction box of the solar assembly with the external intelligent junction box. That is, the sign 2 shown in fig. 1 to 5 may represent a solar module having an internal junction box, or an external junction box of the solar module.
The solar module identification code is different from identification codes of other solar modules, can be located on the module or on the module junction box, and can also be a unique identification code of products such as an intelligent junction box or a power optimizer which are matched with the module for use, namely, identification codes which can indicate that the solar module(s) is different from other solar modules are all called as solar module identification codes herein. In the embodiment of the invention, the solar module or the solar module control box has a unique factory identification code, and the identification code identification module 1 can read the identification code of the solar module or the junction box through wired communication or wireless communication. For convenience of description, in the embodiment of the present invention, the identification codes of the solar modules or the junction boxes are collectively referred to as identification codes corresponding to the junction boxes. The identification code corresponding to the junction box generally marks information such as manufacturers, production areas and batches of solar assemblies or solar assembly matched products (intelligent junction boxes, power optimizers and the like), even information such as production lines, production dates and production flow lines is rich in the identification code of the solar assembly, the identification code for identifying the solar assembly in the solar power generation system has great significance for intelligent operation and maintenance of the solar power generation system, and if the product has a problem in application, the identification code can even directly trace detailed information such as the original production area, the production dates and the flow lines of the product.
The identification code recognition module is configured to determine the physical position of any one solar assembly through an installation circuit diagram of the solar assembly, and determine the physical position of each solar assembly according to the determined physical position of the solar assembly and the code numbers corresponding to the plurality of serially connected junction boxes; and storing the mapping relation among the code number, the identification code and the physical position of each solar component. The solar modules can form a group of available series-parallel relations according to a construction drawing or a field planning drawing and are connected into an inverter or other controllers, and under the condition, as long as the relative physical positions of the group of solar modules with the series-parallel relations can be organized according to a certain rule, the physical positions of all the solar modules can be determined through the construction drawing or the field planning drawing only by determining the physical position of one of the solar modules. The wiring mode or sequence of the component identification lines in the construction drawing or the field planning drawing can form a mapping relation in the identification code identification module in advance, after the identification codes are uploaded, the mapping relation between the identification codes and the physical positions is automatically formed, then the components or the component junction boxes corresponding to the wiring sequence of the identification lines are sequentially corresponding to the sequentially uploaded identification codes one by one, and the mapping relation between the identification codes and the physical positions is established.
In another embodiment of the present invention, as shown in fig. 2, the plurality of junction boxes 2 and the identification code recognition module 1 form a loop, the identification code recognition module 1 is further configured to modify the code number, and broadcast a new recognition command to each junction box, where the new recognition command carries the modified code number until receiving a recognition trigger signal returned by a junction box in a series loop, so as to ensure that after receiving an identification code corresponding to a current junction box (i.e. an identification code of a current solar module), a next junction box 2 can meet a condition of receiving the recognition trigger signal and the recognition command sent by the identification code recognition module 1. Optionally, the identification command and/or the encoding command is broadcast to each junction box by using a power line carrier communication mode, a wired communication mode or a wireless communication mode. For example, wireless communication via wireless networks including, but not limited to: the internet, a wide area network, a metropolitan area network, a local area network, or a mobile data network. Typically, the mobile data network includes, but is not limited to: global system for mobile communications (GSM) networks, Code Division Multiple Access (CDMA) networks, Wideband Code Division Multiple Access (WCDMA) networks, Long Term Evolution (LTE) communication networks, WIFI networks, ZigBee networks, bluetooth technology based networks, etc. Different types of communication networks may be operated by different operators. The type of communication network does not constitute a limitation on the embodiments of the present invention.
In still another embodiment of the present invention, as shown in fig. 2 and 3, the identification output line 102 of the identification code identification module 1 is connected to the signal receiving line 202 of the first terminal box 2 in the loop; the identification input line 101 of the identification code identification module 1 is connected to the signaling line 201 of the last terminal block 2 in the circuit. The identification code recognition module 1 is configured to: sending an identification trigger signal to a signal receiving line 202 of a first junction box 2 in the loop through an identification output line 102; the junction box 2 is configured to: the identification trigger signal is received through the signal receiving line 202, and after the identification code is uploaded, the identification trigger signal is transmitted to the signal receiving line 202 of the next solar module receiving box through the signal transmitting line 201.
In still another embodiment of the present invention, it is also possible that the identification output line 101 of the identification code recognition module 1 is connected to the signal receiving line 201 of the first junction box 2 (the junction box directly connected to the identification output line of the identification code recognition module) in the loop; the identification input line 102 of the identification code recognition module 1 is connected to the signal transmission line 202 of the last junction box 2 in the circuit (the junction box directly connected to the identification input line of the identification code recognition module 1), and the identification code recognition module 1 is configured to: sending an identification trigger signal to a signal receiving line 201 of a first junction box 2 in the loop through an identification output line 101; the junction box 2 is configured to: the identification trigger signal is received through the signal receiving line 201, and after the identification code is uploaded, the identification trigger signal is sent to the signal receiving line 201 of the next solar module receiving box through the signal sending line 202, which is not limited in the embodiment of the present invention.
It should be noted that the terminal box 2 may be connected to the identification code recognition module 1 through an internal recognition line 4, as shown in fig. 1 and 3, or may be connected to the identification code recognition module 1 through an external recognition line 4, as shown in fig. 3, as long as the recognition lines can connect the terminal boxes 2 in series in sequence to form a pathway for transmitting the recognition trigger signal, which is not limited in this embodiment of the present invention.
It should be noted that the signal transmission line of the last junction box may not be connected to the identification input line of the identification code identification module, and as shown in fig. 1, it may be determined whether all the solar modules have completed the operation of uploading the identification codes according to a preset time threshold and a quantity threshold. As shown in fig. 2 and 3, whether all the solar modules complete the operation of uploading the identification codes is determined based on whether the identification code identification module receives the identification trigger signal, and the verification process is simplified, so that a feasible verification and fault-tolerant mechanism is provided, and the embodiments can achieve the technical effects provided by the invention.
After the uploading of the identification code is completed, the identification code recognition module 1 may transmit control information to the junction box and receive operation state information of each component using the identification line. In yet another embodiment of the present invention, once the uploading of the identification code of the solar module is successful, the solar module does not upload the identification code unless the identification command for re-uploading the identification code is received, and the identification trigger signal and the identification command are received again.
Optionally, the identification code recognition module 1 is further configured to: and determining the physical positions of the solar assemblies directly connected with the identification line input line or the identification output line of the identification code identification module through construction drawings or field planning drawings, and further determining the physical positions of the solar assemblies through the wiring mode of the identification lines.
As shown in fig. 2 or 3, the identification line of the identification code recognition module 1 is divided into an identification output line and an identification input line, and the actual physical positions of the solar modules corresponding to the junction boxes directly connected to the identification line input line and/or the identification output line of the identification code recognition module (i.e., the actual physical position of the solar module corresponding to the first junction box and the actual physical position of the solar module corresponding to the last junction box) can be directly determined through a construction drawing or a field planning drawing, so that the actual physical positions of the solar modules corresponding to all the junction boxes can be determined through the routing mode of the identification line.
In still another embodiment of the present invention, as shown in fig. 4, the plurality of junction boxes are divided into a plurality of junction box groups 3 (shown by dotted lines in the figure) connected in parallel by power lines, and each junction box group 3 comprises a plurality of junction boxes 2 connected in series by power lines to realize power transmission between the series-parallel solar modules. Optionally, the system further comprises a first junction box 5 and a second junction box 6, the plurality of junction box groups 3 are connected in parallel between the first junction box 5 and the second junction box 6, and in this embodiment, the identification code identification module 1 is connected in series with the plurality of junction boxes 2 in sequence through the first junction box 5, the second junction box 6 and the plurality of junction boxes 2 to form a loop. The first junction box 5 and the second junction box 6 are used in a matched mode, the junction boxes 2 (namely solar assemblies) connected in series and in parallel are organized in sequence according to a certain rule in a set, connecting loops of the solar assembly identification lines 4 are arranged inside the first junction box 5 and the second junction box 6, and corresponding terminals are used for leading in and leading out the solar assembly identification lines 4.
It should be noted that fig. 4 is merely an example in which two sets of junction boxes 3 are provided, the number of the junction boxes 3 between the first junction box 5 and the second junction box 6 is not limited to the two sets shown in the figure, and it is within the scope of the present invention that the number of the junction boxes 3 is 1 or more. It should also be noted that the number of junction boxes 2 (i.e., solar modules) in each junction box group 3 is not limited to 3 as shown in fig. 4, and it is within the scope of the present invention that the number of junction box groups 2 is 1 or more. Optionally, the bus bar box may further include a routing of a power line of the solar module.
In still another embodiment of the present invention, as shown in fig. 5, the plurality of terminal blocks are divided into a plurality of terminal block groups 3 (shown by dotted lines in the figure) connected in parallel by the power line, and each terminal block group 3 includes a plurality of terminal blocks 2 connected in series by the power line. The system further comprises a third junction box 7 and a fourth junction box 8, the junction box groups 3 are connected between the third junction box 7 and the fourth junction box 8 in parallel, and in the embodiment, the identification code identification module 1 is sequentially connected with the junction boxes 2 in series through the first junction box 7, the second junction box 8 and the junction boxes 2 to form a loop.
Actually, the connection manner of fig. 5 is similar to that of fig. 4, and the description of this embodiment is not repeated, except that fig. 4 and fig. 5 provide two connection manners of the junction box and the identification code recognition module, the recognition line 4 shown in fig. 4 is connected with the identification code recognition module 1 through one junction box 6, and the recognition line 4 shown in fig. 5 is connected with the identification code recognition module 1 through two junction boxes 7 and 8, both of which are within the protection scope of the present invention.
In another embodiment of the invention, the combiner box shown in fig. 4 and 5 may be replaced by an identification box, i.e. a separate identification box may be introduced, which exists independently of the combiner box, i.e. the combiner box does not contain identification line lead-in and lead-out terminals or the like. The identification line box is independent of the junction box, so that the number of solar assemblies with physical positions correlated with each other is not influenced by the number of the converged solar assemblies, and the actual physical positions of all the solar assemblies can be determined according to the actual physical positions of any one solar assembly as long as the identification line in the identification line box passes through the paths of the solar assemblies in sequence in the construction drawing or the field planning drawing. The identification junction box can be used to organize the physical locations of the solar modules, and the actual series-parallel relationship of the solar modules can be arranged by separate combiner boxes according to the actual situation, and is not limited to the organization shown in fig. 3 and 4.
It should be noted that, in the above embodiment, the identification code recognition module 1 is connected to a group of solar modules 10 associated with each other, and in fact, the identification code recognition module 1 may be connected to a plurality of groups of solar modules 10 associated with each other through a plurality of identification line terminals Pn, n is greater than or equal to 1, so as to enable the plurality of groups of solar modules 10 associated with each other to upload identification codes in sequence, as shown in fig. 6, and each identification line terminal Pn provides at least one identification line 4. When each identification line terminal Pn provides one identification line, the identification line is used for sending an identification trigger signal, and the identification line, namely the identification output line 101, can be used as a control line for automatically identifying identification codes of a group of correlated solar modules. When more than one identification line is provided at each identification line terminal Pn, one of the identification lines is used for transmitting an identification trigger signal to the associated solar module, and the other identification line is used for receiving the identification trigger signal transmitted by the associated solar module.
As shown in fig. 7, in a further embodiment of the invention, each identification line terminal Pn also provides a communication and/or power line 9 for broadcasting identification commands, the communication and/or power line 9 being used to connect the various solar modules in series and in parallel, thus dividing them into groups of solar modules 10 associated with each other. Via said communication and/or power line 9, also a cable broadcast signal and/or a power carrier signal can be sent to the respective solar modules. Wherein the power line is also used for the current passing through the solar module. It should be noted that the identification line 4 and the communication line and/or the power line 9 do not necessarily need to run through a port, and may be separately routed, which is not limited in the embodiment of the present invention.
As still another embodiment of the present invention, as shown in fig. 8, the present invention further provides a method for identifying an identification code of a solar module, wherein a plurality of junction boxes corresponding to solar modules one by one are preset, the plurality of junction boxes are connected in series with an identification code identification module through an identification line, and the method includes: the identification code identification module sends a coding trigger signal to the junction boxes through the identification line and broadcasts a coding command to each junction box, wherein the coding command carries a coding number; the junction box receives the coding trigger signal and the coding command, and codes the solar assembly by using the coding number; the identification code identification module sends an identification trigger signal to the junction boxes through the identification lines and broadcasts an identification command to each junction box, wherein the identification command carries a coding number; and the junction box which receives the identification trigger signal and the identification command uploads an identification code corresponding to the junction box to an identification code identification module.
As another embodiment of the present invention, the method comprises:
step S801, an identification code identification module sends a coding trigger signal to the junction boxes through identification lines and broadcasts a coding command to each junction box, wherein the coding command carries a coding number;
step S802, the junction box which receives the coding trigger signal and the coding command encodes the solar assembly by using the coding number carried in the coding command, and sends the coding trigger signal to the next solar assembly receiving box through the identification line;
step S803, the identification code identification module sends an identification trigger signal to the junction boxes through the identification lines and broadcasts an identification command to each junction box;
step S804, the junction box which receives the identification trigger signal and the identification command uploads the identification code corresponding to the junction box to the identification code identification module, and sends the identification trigger signal to the next solar assembly receiving box through the identification line;
step S805, the identification code recognition module receives the identification code uploaded by the junction box, and associates the identification code with the code number and the physical position of the solar module.
In this embodiment, the plurality of junction boxes are connected in series in sequence through the identification lines, and the plurality of junction boxes connected in series are connected in series with the identification code identification module.
In step S801, the identification code recognition module sends a code trigger signal to the junction box directly connected in series with the identification code recognition module by using the recognition output line, and then broadcasts a code command to each junction box by using a communication method such as power line carrier communication, wired communication or wireless communication.
In step S802, the junction box receives the coded trigger signal and then receives the coded command, and if one of the junction boxes receives both the coded trigger signal and the coded command, the junction box codes the solar module by using the code number carried in the coded command. After the junction box is coded, the coded trigger signal is sent to the signal receiving line of the next solar assembly receiving box through the coded trigger signal output line of the junction box, and the next junction box can be automatically coded.
Optionally, after step S802, the method may further include: and after the coding is finished, the junction box sends coding finishing information to the identification code recognition module. And after the identification code recognition module receives the coding completion information, modifying the coding number, and broadcasting a new coding command to each junction box, wherein the new coding command carries the modified coding number until a coding trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies after coding is determined to reach a preset number threshold.
In step S803, the identification code recognition module sends a recognition trigger signal to the junction box directly connected in series with the identification code recognition module by using the recognition output line, and then broadcasts a recognition command to each junction box by using a communication method such as power line carrier communication, wired communication or wireless communication.
In step S804, the junction box receives the identification trigger signal and then receives the identification command, and if one of the junction boxes receives both the identification trigger signal and the identification command, the junction box uploads the identification code corresponding to the junction box to the identification code identification module. After the identification code is uploaded to the junction box, the identification trigger signal is sent to the signal receiving line of the next solar assembly receiving box through the identification trigger signal output line of the junction box, and the fact that the identification code can be uploaded to the next junction box is guaranteed.
In step S805, the identification code recognition module receives the identification code, and establishes a one-to-one mapping relationship between the identification code and the code number and the actual physical position of the solar module. Further, after the identification code recognition module receives the identification code, the identification code recognition module modifies the code number, and broadcasts a new recognition command to each junction box again in a communication mode (such as power line carrier communication, wired communication or wireless communication, etc.), wherein the new recognition command carries the modified code number, so that the next solar module receiving box can receive a recognition trigger signal and a recognition command until receiving a recognition trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar modules completing identification of the identification code reaches a preset number threshold. Or, in the connection mode as shown in fig. 1, until the number of the finished uploading identification codes reaches the preset number threshold.
Through the operation steps, the mapping relation among the identification codes, the code numbers and the physical positions of all the solar assemblies is stored through the storage module, the mapping relation among the identification codes, the code numbers and the physical positions can be further acquired by the identification code identification module or the upper computer, and then in the subsequent steps, the identification code identification module or the upper computer only needs to send data reading commands to the identification codes in sequence, so that the information of the corresponding solar assemblies can be read in sequence. Moreover, because the identification code is associated with the code number and the physical position, the identification code identification module or the upper computer also acquires the real-time information of the solar assembly at the physical position, when a certain solar assembly is invalid or abnormal, the abnormal assembly can be conveniently and quickly found and replaced through the identification code corresponding to the abnormal information, the code number and the actual physical position, and the manual maintenance and repair cost is greatly reduced.
As another embodiment of the present invention, as shown in fig. 9, the steps S803 to S805 may specifically include:
step S901, the identification code identification module sends an identification trigger signal to a junction box (the first junction box in a loop) directly connected in series with the identification code identification module through an identification output line;
step S902, the junction box directly connected in series with the identification output line of the identification code identification module receives an identification trigger signal through a signal receiving line;
step S903, the identification code identification module broadcasts identification commands to each junction box in a communication mode such as power line carrier communication, wired communication or wireless communication;
step S904, the junction box directly connected in series with the identification output line of the identification code identification module receives the identification trigger signal and the identification command, and uploads the identification code corresponding to the junction box to the identification code identification module;
step S905, the identification code recognition module receives the identification code uploaded by the junction box and associates the identification code with the code number and the physical position of the solar assembly;
step S906, after the identification code is uploaded by the junction box, an identification trigger signal is sent to a signal receiving wire of the next solar assembly receiving box through a signal sending wire;
step 907, after the identification code recognition module receives the identification code, returning to step 903 until the identification code recognition module receives the recognition trigger signal sent by the junction box directly connected in series with the identification code recognition module, or until the number of the uploaded identification codes reaches a preset number threshold.
It should be noted that steps S905 and S906 may be executed, or step S906 may be executed first and then step S905 is executed, which is not limited in this embodiment of the present invention. Under the condition of ensuring that the invention can be realized, the sequence of the steps can be adjusted according to the requirement, and the adjusted technical scheme is within the protection scope of the invention.
Therefore, in the embodiment of the invention, the plurality of solar assemblies are connected in series through the identification lines, the identification triggering signals and the identification commands are combined, the junction box is triggered to upload the identification codes, the identification codes of the solar assemblies are sequentially acquired, and therefore, the identification codes, the code numbers and the physical positions of the solar assemblies are automatically acquired and automatically associated. Therefore, the embodiment of the invention can solve the problem of high error rate caused by non-automatic acquisition of identification information and physical position information, and can also realize automatic identification and physical position positioning of the module modules in application systems such as BIPV (solar power generation tile, solar power generation wall surface) and solar pavement module or other solar modules.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present invention.
It should be noted that, for the sake of simplicity, the above-mentioned embodiments of the system, method and electronic device are all described as a series of acts or a combination of modules, but those skilled in the art should understand that the present invention is not limited by the described order of acts or the connection of modules, because some steps may be performed in other orders or simultaneously and some modules may be connected in other manners according to the present invention.
It should also be understood by those skilled in the art that the embodiments described in the specification are included in one embodiment, the number of the above embodiments is merely for description, and the actions and modules involved are not necessarily essential to the invention.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed technical contents can be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. The storage medium includes volatile storage medium or non-volatile storage medium, such as various media capable of storing program codes, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, a magnetic disk or an optical disk.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The identification system of the identification code of the solar assembly is characterized by comprising an identification code identification module and a plurality of junction boxes, wherein the junction boxes correspond to the solar assemblies one by one, and the plurality of junction boxes are connected with the identification code identification module in series through identification lines;
the identification code recognition module is configured to assign code numbers to the solar assemblies in one-to-one correspondence with the junction boxes through the recognition lines, and the identification code of each solar assembly is read through the recognition lines;
the identification code identification module is configured to send a coding trigger signal to the junction boxes through the identification lines and broadcast a coding command to each junction box, wherein the coding command carries a coding number;
the junction box is configured to code the solar assembly corresponding to the junction box by using the code number and send the code trigger signal to the next junction box in series connection through the identification line if the code trigger signal and the code command are received;
the identification code identification module is configured to send an identification trigger signal to the junction boxes through the identification lines and broadcast an identification command to each junction box, wherein the identification command carries a code number; receiving an identification code uploaded by a junction box;
the junction box is configured to upload the identification code of the solar assembly corresponding to the junction box and send the identification trigger signal to the next junction box in series connection through the identification line if the identification trigger signal and the identification command are received;
the plurality of junction boxes and the identification code recognition module form a series circuit;
the identification code recognition module is further configured to modify the code number after receiving the identification code, and broadcast a new recognition command to each junction box, wherein the new recognition command carries the modified code number until receiving a recognition trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar assemblies subjected to identification by the identification code reaches a preset number threshold.
2. The identification system of the solar module identification code according to claim 1, wherein the junction box is further configured to send a coding completion message to the identification code identification module after coding is completed;
the identification code recognition module is further configured to modify the code number and broadcast a new code command to each junction box after receiving the coding completion information, wherein the new code command carries the modified code number until receiving a code trigger signal returned by the junction boxes in the series circuit or until determining that the number of the solar modules completing coding reaches a preset number threshold.
3. The identification system for the identification code of the solar module according to claim 1, wherein the identification command and/or the coding command is broadcasted to each junction box by using a power line carrier communication mode, a wired communication mode or a wireless communication mode.
4. The identification system of solar module identification codes according to claim 1, wherein the plurality of junction boxes are divided into a plurality of junction box groups connected in parallel by power lines, the system further comprising a first junction box and a second junction box, the plurality of junction box groups being connected in parallel between the first junction box and the second junction box;
the identification code identification module is connected with the first junction box or the second junction box through an identification output line and an identification input line; or the identification code identification module is connected with the first junction box through an identification output line and is connected with the second junction box through an identification input line; or the identification code identification module is connected with the second junction box through an identification output line and connected with the first junction box through an identification input line.
5. The identification system for the identification code of the solar energy component as claimed in claim 1, wherein the identification code identification module is configured to determine the physical position of any one solar energy component through the installation circuit diagram of the solar energy component, and determine the physical position of each solar energy component according to the determined physical position of the solar energy component and the code number corresponding to the plurality of series-connected junction boxes; and storing the mapping relation among the code number, the identification code and the physical position of each solar component.
6. A method for identifying an identification code of a solar assembly is characterized in that a plurality of junction boxes which correspond to the solar assemblies one by one are preset, the plurality of junction boxes are connected with an identification code identification module in series through identification lines, and the method comprises the following steps:
the identification code identification module sends a coding trigger signal to the junction boxes through the identification line and broadcasts a coding command to each junction box, wherein the coding command carries a coding number; the junction box receives the coding trigger signal and the coding command, and codes the solar assembly by using the coding number; the identification code identification module sends an identification trigger signal to the junction boxes through the identification lines and broadcasts an identification command to each junction box, wherein the identification command carries a coding number; the junction box which receives the identification trigger signal and the identification command uploads an identification code corresponding to the junction box to an identification code identification module;
a plurality of the terminal boxes and the identification code recognition module form a series circuit, and the terminal box further comprises:
after the terminal box uploads the identification code, the identification trigger signal is sent to the next terminal box connected in series through the identification line;
after the identification code recognition module receives the identification code, the identification code recognition module modifies the code number and broadcasts a new recognition command to each junction box, wherein the new recognition command carries the modified code number until a recognition trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies which are confirmed to finish identification code recognition reaches a preset number threshold;
after the terminal box finishes encoding, encoding finishing information is sent to the identification code identification module; and after the identification code recognition module receives the coding completion information, modifying the coding number, and broadcasting a new coding command to each junction box, wherein the new coding command carries the modified coding number until a coding trigger signal returned by the junction boxes in the series circuit is received or until the number of the solar assemblies after coding is determined to reach a preset number threshold.
7. The identification code recognition method of the solar energy component identification code according to claim 6, wherein the identification code recognition module determines the physical position of any one solar energy component through the installation circuit diagram of the solar energy component, and determines the physical position of each solar energy component according to the determined physical position of the solar energy component and the code number corresponding to the plurality of series-connected junction boxes; and storing the mapping relation among the code number, the identification code and the physical position of each solar component.
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